:root {
  color-scheme: dark;
  --bg: #18191b;
  --surface: #202225;
  --surface-raised: #272a2d;
  --surface-soft: #1d1f22;
  --line: #35383b;
  --line-soft: #2c2f32;
  --text: #e4e3df;
  --muted: #a1a19b;
  --quiet: #777a78;
  --accent: #a6b4a8;
  --accent-strong: #c2cec3;
  --accent-soft: #2c3430;
  --green: #9bb9a1;
  --red: #c88f8b;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, monospace;
  --sans: "DM Sans", Inter, ui-sans-serif, system-ui, sans-serif;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  overflow-x: hidden;
}
button, input { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, input:focus-visible, .contact-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
::selection { color: #171918; background: #b5c2b7; }
* { scrollbar-width: thin; scrollbar-color: #555a56 transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #454a46; border: 2px solid transparent; background-clip: padding-box; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background-color: #606760; }

.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid #515753; border-radius: 9px; background: #292d2a;
  color: #e2e6df; font-size: 21px; line-height: 1; font-weight: 700; letter-spacing: -2px;
}
.brand-mark-dot { color: var(--accent); }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font-size: 14px; letter-spacing: .12em; font-weight: 700; }
.brand-copy small { color: var(--quiet); font: 9px var(--mono); letter-spacing: .04em; }
.brand-large .brand-mark { width: 44px; height: 44px; font-size: 25px; }
.brand-large .brand-copy strong { font-size: 16px; }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; font-weight: 600; }
.pulse-dot, .connection-dot, .status-dot {
  width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--green);
}
.pulse-dot { box-shadow: 0 0 0 3px #303a33; }
.connection-dot { background: #9a8d6c; }
.connection-dot.connected { background: var(--green); }
.connection-dot.disconnected { background: var(--red); }
.status-dot { width: 6px; height: 6px; background: #737873; }
.status-dot.online { background: var(--green); }

.auth-shell {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  align-items: center; gap: clamp(40px, 8vw, 120px);
  width: min(100%, 1440px); min-height: 100svh; margin: 0 auto;
  padding: clamp(28px, 5vw, 76px);
}
.auth-intro { min-height: min(680px, 84svh); display: flex; flex-direction: column; justify-content: space-between; }
.intro-copy { max-width: 570px; margin: 58px 0; }
.intro-copy h1 { max-width: 560px; margin: 22px 0 18px; font-size: clamp(42px, 5.5vw, 70px); line-height: 1.04; letter-spacing: -.055em; font-weight: 600; }
.intro-copy h1 em { color: var(--accent-strong); font-style: normal; }
.intro-copy p { max-width: 440px; margin: 0; color: #b1b2ac; font-size: 15px; line-height: 1.75; }
.intro-bottom { max-width: 540px; }
.signal-preview { padding: 16px 17px 9px; border: 1px solid var(--line); border-radius: 8px; background: #1d2021; }
.signal-meta { display: flex; justify-content: space-between; gap: 15px; color: var(--quiet); font: 9px var(--mono); }
.signal-meta span:last-child { color: var(--accent-strong); }
.signal-preview svg { width: 100%; margin-top: 7px; }
.copyright { display: block; margin-top: 18px; color: var(--quiet); font-size: 10px; }
.auth-panel { display: flex; justify-content: center; }
.auth-card {
  width: min(100%, 430px); padding: clamp(24px, 3.5vw, 38px);
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface);
}
.auth-heading h2 { margin: 11px 0 6px; font-size: 26px; letter-spacing: -.04em; }
.auth-heading p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.auth-switch { display: flex; gap: 3px; margin: 26px 0 21px; padding: 3px; border: 1px solid var(--line-soft); border-radius: 8px; background: #191b1d; }
.auth-tab { flex: 1; padding: 10px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; }
.auth-tab.is-active { background: #343936; color: var(--text); }
.auth-form { display: flex; flex-direction: column; gap: 15px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field > span { color: #c2c2bc; font-size: 12px; font-weight: 600; }
.field input { width: 100%; min-width: 0; height: 44px; padding: 0 12px; border: 1px solid #414542; border-radius: 7px; outline: none; background: #191b1d; color: var(--text); }
.field input::placeholder { color: #777d78; }
.field input:focus { border-color: #87978a; box-shadow: 0 0 0 2px #343d36; }
.field small { color: var(--quiet); font-size: 11px; }
.input-prefix { display: flex; align-items: center; height: 44px; border: 1px solid #414542; border-radius: 7px; background: #191b1d; }
.input-prefix:focus-within { border-color: #87978a; box-shadow: 0 0 0 2px #343d36; }
.input-prefix > span { padding-left: 12px; color: var(--accent-strong); font: 14px var(--mono); }
.input-prefix input { height: 42px; border: 0; background: transparent; box-shadow: none !important; }
.button {
  min-height: 39px; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 0 15px; border: 1px solid transparent; border-radius: 7px;
  font-size: 12px; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.button:disabled { opacity: .55; cursor: wait; }
.button-primary { color: #1c211e; background: #b0bdb2; border-color: #b0bdb2; }
.button-primary:hover:not(:disabled) { background: #c3cec4; }
.button-secondary { color: #d0d5cf; background: #303733; border-color: #49524b; }
.button-secondary:hover:not(:disabled) { background: #3a433d; }
.button-quiet { color: var(--muted); background: transparent; border-color: var(--line); }
.button-quiet:hover:not(:disabled) { background: #2b2e2d; }
.button-wide { width: 100%; }
.auth-form .button { min-height: 45px; margin-top: 3px; }
.auth-footnote { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 22px 0 0; color: var(--quiet); font-size: 10px; }
.tiny-lock { color: var(--accent-strong); font-size: 14px; }

.app-shell {
  display: flex; width: 100%; height: 100vh; height: 100dvh; min-height: 0;
  overflow: hidden; background: var(--bg);
}
.sidebar {
  width: 300px; flex: 0 0 300px; min-width: 0; min-height: 0;
  display: flex; flex-direction: column; background: #202225; border-right: 1px solid var(--line);
}
.sidebar-top { display: flex; align-items: center; justify-content: space-between; padding: 20px 19px 16px; border-bottom: 1px solid var(--line); }
.account-card { display: flex; align-items: center; gap: 10px; min-width: 0; margin: 13px 12px 5px; padding: 11px; border: 1px solid var(--line-soft); border-radius: 8px; background: #24272a; }
.avatar {
  width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center;
  border: 1px solid #515752; border-radius: 8px; background: #343a35; color: #d9e0d8; font-weight: 600;
}
.avatar-self { border-radius: 50%; }
.account-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.account-info strong { overflow: hidden; color: var(--text); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.account-info span { color: var(--muted); font: 10px var(--mono); }
.icon-button { width: 34px; height: 34px; flex: 0 0 auto; display: inline-grid; place-items: center; border: 1px solid transparent; border-radius: 7px; background: transparent; color: var(--muted); font-size: 19px; cursor: pointer; }
.icon-button:hover { border-color: var(--line); background: #303331; color: var(--text); }
.sidebar-actions { display: flex; flex-direction: column; gap: 9px; padding: 13px 12px 8px; }
.sidebar-actions .button { min-height: 37px; }
.search-field { display: flex; align-items: center; gap: 9px; height: 38px; padding: 0 10px; border: 1px solid var(--line); border-radius: 7px; background: #191b1d; color: var(--muted); }
.search-field > span { font-size: 18px; }
.search-field input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 11px; }
.search-field input::placeholder { color: var(--quiet); }
.search-field kbd { padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; color: var(--quiet); font: 9px var(--mono); }
.section-heading { display: flex; justify-content: space-between; align-items: center; padding: 16px 17px 9px; color: var(--muted); font-size: 11px; font-weight: 600; }
.count-pill { min-width: 20px; padding: 3px 6px; border-radius: 5px; background: #303331; color: #c3c7c0; text-align: center; font: 9px var(--mono); }
.contact-list { flex: 1 1 auto; min-height: 0; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; padding: 0 8px 12px; display: flex; flex-direction: column; gap: 3px; }
.list-empty { padding: 25px 15px; color: var(--muted); text-align: center; font-size: 11px; line-height: 1.7; }
.contact-item { width: 100%; display: flex; align-items: center; gap: 10px; padding: 9px; border: 1px solid transparent; border-radius: 7px; background: transparent; cursor: pointer; text-align: left; }
.contact-item:hover { background: #292c2b; }
.contact-item.is-active { border-color: #454e47; background: #2b312d; }
.contact-avatar-wrap { position: relative; flex: 0 0 auto; }
.contact-avatar { width: 37px; height: 37px; border-radius: 8px; font-size: 13px; }
.status-indicator { position: absolute; right: -2px; bottom: -2px; width: 9px; height: 9px; border: 2px solid #202225; border-radius: 50%; background: #737873; }
.status-indicator.online { background: var(--green); }
.contact-detail { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.contact-name-row { display: flex; align-items: center; gap: 5px; }
.contact-name-row strong { overflow: hidden; font-size: 11px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.contact-preview { overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.unread-count { min-width: 18px; height: 18px; display: grid; place-items: center; padding: 0 5px; border-radius: 5px; background: #b0bdb2; color: #1c211e; font: 9px var(--mono); }
.sidebar-bottom { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-top: 1px solid var(--line); background: #202225; }
.connection-indicator { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10px; }
.logout-button { display: inline-flex; align-items: center; gap: 6px; padding: 7px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 10px; }
.logout-button:hover { color: var(--red); }
.logout-button span { font-size: 15px; }

.workspace { position: relative; flex: 1 1 auto; min-width: 0; min-height: 0; overflow: hidden; background: #191b1d; }
.empty-state { width: 100%; height: 100%; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 28px; text-align: center; overflow-y: auto; }
.empty-state .eyebrow { margin-top: 24px; }
.empty-state h2 { margin: 11px 0 7px; font-size: 22px; letter-spacing: -.035em; }
.empty-state p { max-width: 360px; margin: 0 0 19px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.empty-orbit { position: relative; width: 164px; height: 164px; display: grid; place-items: center; }
.orbit-ring { position: absolute; border: 1px solid #3b403c; border-radius: 50%; }
.orbit-ring-one { width: 124px; height: 124px; }
.orbit-ring-two { width: 160px; height: 160px; border-style: dashed; }
.orbit-core { width: 66px; height: 66px; display: grid; place-items: center; border: 1px solid #525c54; border-radius: 13px; background: #2a302b; color: #e0e6df; font-size: 34px; font-weight: 700; letter-spacing: -4px; }
.orbit-core span { color: var(--accent-strong); }
.orbit-node { position: absolute; padding: 4px 7px; border: 1px solid #464d47; border-radius: 5px; background: #242825; color: #bdc8bd; font: 9px var(--mono); }
.node-one { top: 5px; left: 27px; }
.node-two { right: 18px; bottom: 12px; }
.node-three { top: 49px; right: -2px; }

.conversation { width: 100%; height: 100%; min-width: 0; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.conversation-header { min-height: 68px; flex: 0 0 68px; display: flex; align-items: center; gap: 11px; padding: 0 22px; border-bottom: 1px solid var(--line); background: #202225; }
.conversation-header .avatar { border-radius: 8px; }
.conversation-person { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.conversation-person strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.conversation-person > span { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 10px; }
.header-tools { margin-left: auto; }
.protocol-chip { display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; border: 1px solid #444b45; border-radius: 5px; background: #292e2a; color: #c0c9c0; font: 9px var(--mono); }
.protocol-chip span { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.conversation-banner { min-height: 34px; flex: 0 0 auto; display: flex; justify-content: center; align-items: center; gap: 8px; padding: 6px 14px; border-bottom: 1px solid var(--line-soft); background: #1e2122; color: var(--muted); text-align: center; font-size: 10px; }
.banner-icon { color: var(--accent-strong); font-size: 15px; }
.messages {
  flex: 1 1 auto; min-height: 0; overflow-x: hidden; overflow-y: auto;
  display: flex; flex-direction: column; gap: 15px; padding: 22px clamp(16px, 4vw, 52px);
  overscroll-behavior-y: contain; scroll-behavior: smooth;
}
.message-row { max-width: min(72%, 620px); display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.message-row.mine { align-self: flex-end; align-items: flex-end; }
.message-author { padding: 0 4px; color: var(--muted); font-size: 10px; }
.message-bubble { position: relative; min-width: 150px; max-width: 100%; padding: 11px 12px 9px; border: 1px solid #3c403d; border-radius: 9px 9px 9px 3px; background: #25292a; }
.message-row.mine .message-bubble { border-color: #4a544b; border-radius: 9px 9px 3px 9px; background: #2b322d; }
.message-lockline { display: flex; align-items: center; gap: 7px; color: #d0d3cd; font-size: 10px; }
.message-lockicon { color: var(--accent-strong); font-size: 13px; }
.message-stats { margin-top: 7px; color: var(--muted); font: 9px var(--mono); }
.wave-mini-wrap { max-width: 100%; overflow-x: auto; margin-top: 9px; border: 1px solid #3a403b; border-radius: 5px; background: #1d201f; }
.wave-mini { display: block; height: 36px; }
.message-bottom { display: flex; align-items: center; gap: 8px; color: var(--quiet); font: 9px var(--mono); }
.message-read { color: var(--accent-strong); }
.message-actions { display: flex; justify-content: flex-end; margin-top: 7px; }
.inspect-button { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; border: 1px solid #485149; border-radius: 5px; background: #303732; color: #d0d7d0; cursor: pointer; font-size: 9px; }
.inspect-button:hover { background: #3b443d; }
.decode-result { max-width: min(100%, 520px); margin-top: 7px; padding: 9px 10px; overflow-wrap: anywhere; border: 1px solid #485249; border-radius: 6px; background: #2d342f; color: #e0e6df; font-size: 12px; line-height: 1.65; }
.decode-result-label { margin-bottom: 4px; color: var(--accent-strong); font: 9px var(--mono); }
.empty-messages { max-width: 300px; margin: auto; color: var(--muted); text-align: center; font-size: 11px; line-height: 1.7; }
.empty-messages strong { display: block; margin-bottom: 4px; color: var(--text); font-size: 13px; }
.composer { flex: 0 0 auto; padding: 12px clamp(14px, 4vw, 52px) 15px; border-top: 1px solid var(--line); background: #202225; }
.composer-inner { min-height: 49px; display: flex; align-items: center; gap: 10px; padding: 5px 6px 5px 13px; border: 1px solid #454a46; border-radius: 8px; background: #191c1c; }
.composer-inner:focus-within { border-color: #89978b; }
.composer-inner input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 12px; }
.composer-inner input::placeholder { color: var(--quiet); }
.message-counter { color: var(--quiet); white-space: nowrap; font: 9px var(--mono); }
.send-button { height: 37px; display: inline-flex; align-items: center; gap: 11px; padding: 0 12px; border: 0; border-radius: 6px; background: #b0bdb2; color: #1c211e; font-size: 11px; font-weight: 700; cursor: pointer; }
.send-button:hover { background: #c3cec4; }
.send-button:disabled { opacity: .55; cursor: wait; }
.send-button b { font-size: 14px; }
.composer-hint { display: flex; justify-content: space-between; gap: 10px; margin: 8px 3px 0; color: var(--quiet); font: 8px var(--mono); }

.modal { width: min(92vw, 440px); max-height: min(88dvh, 760px); overflow: auto; padding: 0; border: 1px solid #4a4e49; border-radius: 10px; background: #242729; color: var(--text); }
.modal::backdrop { background: rgba(0,0,0,.68); }
.modal-card { padding: 24px; }
.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.modal-header h2 { margin: 7px 0 0; font-size: 21px; letter-spacing: -.035em; }
.dialog-close { margin: -6px -6px 0 0; font-size: 21px; }
.modal-description { margin: 13px 0 18px; color: var(--muted); font-size: 11px; line-height: 1.7; }
.modal-card .field { margin-top: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 21px; }
.unlocked-message { margin-top: 15px; padding: 12px; border: 1px solid #485249; border-radius: 7px; background: #2b312d; }
.unlocked-message .decode-result { margin: 0; }
.modal-wide { width: min(94vw, 880px); }
.inspector-card { max-height: min(88dvh, 760px); display: flex; flex-direction: column; overflow: hidden; }
.inspector-content { min-height: 0; overflow: auto; margin-top: 17px; display: flex; flex-direction: column; gap: 15px; overscroll-behavior: contain; }
.inspector-summary { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 8px; }
.metric-card { padding: 11px; border: 1px solid var(--line); border-radius: 7px; background: #202324; }
.metric-card span { display: block; color: var(--muted); font: 9px var(--mono); }
.metric-card strong { display: block; margin-top: 7px; font-size: 17px; font-weight: 600; }
.inspector-section { padding: 13px; border: 1px solid var(--line); border-radius: 7px; background: #202324; }
.inspector-section h3 { margin: 0 0 10px; color: #d1d4ce; font-size: 11px; }
.inspector-section p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
.signal-scroll { max-width: 100%; overflow-x: auto; padding: 8px; border: 1px solid var(--line); border-radius: 6px; background: #191c1c; }
.signal-large { display: block; height: 150px; }
.inspector-table-wrap { max-height: 250px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
.inspector-table { width: 100%; border-collapse: collapse; font: 10px var(--mono); }
.inspector-table th, .inspector-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.inspector-table th { position: sticky; top: 0; background: #2b302d; color: #c6cdc5; font-weight: 500; }
.inspector-table td { color: #c5cec5; }
.inspector-table tr:last-child td { border-bottom: 0; }
.settings-profile { display: flex; align-items: center; gap: 12px; margin: 19px 0; padding: 12px; border: 1px solid var(--line); border-radius: 7px; }
.settings-profile > div:last-child { display: flex; flex-direction: column; gap: 4px; }
.settings-profile strong { font-size: 12px; }
.settings-profile span { color: var(--muted); font: 10px var(--mono); }
.settings-item { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 13px 0; border-top: 1px solid var(--line); }
.settings-item > div { display: flex; flex-direction: column; gap: 5px; }
.settings-item strong { font-size: 11px; }
.settings-item span { color: var(--muted); font-size: 10px; line-height: 1.5; }
.version-label { white-space: nowrap; font: 10px var(--mono) !important; }
.button-spinner { width: 12px; height: 12px; border: 2px solid #626b63; border-top-color: #1c211e; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast-region { position: fixed; z-index: 1000; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { max-width: min(380px, calc(100vw - 36px)); padding: 11px 14px; border: 1px solid #4b514b; border-radius: 7px; background: #292e2a; color: var(--text); font-size: 11px; opacity: 0; transform: translateY(5px); transition: opacity .16s, transform .16s; }
.toast-visible { opacity: 1; transform: none; }
.toast-error { border-color: #78514e; background: #382b2a; }
.toast-success { border-color: #4f6353; }
.mobile-only { display: none; }

@media (max-width: 900px) {
  .auth-shell { grid-template-columns: minmax(0, .85fr) minmax(340px, 1fr); gap: 32px; padding: 28px; }
  .intro-copy h1 { font-size: clamp(38px, 5.5vw, 58px); }
  .sidebar { width: 280px; flex-basis: 280px; }
  .message-row { max-width: 82%; }
}
@media (max-width: 680px) {
  .auth-shell { display: block; min-height: 100svh; padding: 20px 16px 28px; }
  .auth-intro { min-height: 0; margin-bottom: 22px; }
  .auth-intro .intro-copy { margin: 25px 0 0; }
  .intro-copy h1 { max-width: 420px; margin: 14px 0 9px; font-size: clamp(35px, 9vw, 42px); }
  .intro-copy p { max-width: 480px; font-size: 12px; line-height: 1.65; }
  .intro-bottom { display: none; }
  .auth-panel { justify-content: stretch; }
  .auth-card { width: 100%; padding: 22px; }
  .auth-heading h2 { font-size: 23px; }
  .auth-switch { margin: 20px 0 17px; }
  .auth-form { gap: 12px; }
  .auth-footnote { margin-top: 18px; }
  .app-shell { position: fixed; inset: 0; height: 100dvh; }
  .sidebar { position: absolute; z-index: 8; top: 0; bottom: 0; left: 0; width: min(86vw, 330px); transform: translateX(-102%); transition: transform .18s ease; box-shadow: 16px 0 35px rgba(0,0,0,.24); }
  .sidebar.mobile-open { transform: translateX(0); }
  .workspace { width: 100%; }
  .mobile-only { display: inline-grid; }
  .conversation-header { min-height: 60px; flex-basis: 60px; gap: 8px; padding: 0 11px; }
  .conversation-header .avatar { width: 34px; height: 34px; }
  .conversation-person strong { max-width: min(58vw, 260px); font-size: 12px; }
  .header-tools { display: none; }
  .conversation-banner { min-height: 36px; font-size: 9px; }
  .messages { padding: 14px 11px; gap: 11px; }
  .message-row { max-width: 94%; }
  .composer { padding: 9px 10px 11px; }
  .composer-inner { min-height: 46px; gap: 6px; padding-left: 9px; }
  .composer-inner input { font-size: 11px; }
  .message-counter { display: none; }
  .send-button { height: 34px; padding: 0 10px; }
  .composer-hint { font-size: 7px; }
  .modal { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); }
  .modal-card { padding: 19px; }
  .inspector-card { max-height: calc(100dvh - 20px); }
  .inspector-summary { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .toast-region { right: 10px; bottom: 10px; }
}
@media (max-height: 620px) and (min-width: 681px) {
  .auth-shell { padding-top: 20px; padding-bottom: 20px; }
  .auth-intro { min-height: 0; }
  .intro-copy { margin: 25px 0; }
  .intro-copy h1 { font-size: clamp(36px, 5vh, 54px); }
  .signal-preview { padding-top: 10px; }
  .signal-preview svg { max-height: 54px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


.empty-signal { width: min(100%, 330px); margin-bottom: 2px; padding: 13px 15px 9px; border: 1px solid var(--line); border-radius: 7px; background: #202324; color: var(--accent-strong); }
.empty-signal-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.empty-signal-label span:last-child { color: var(--quiet); font-family: var(--mono); }
.empty-signal svg { display: block; width: 100%; margin-top: 8px; }